MAX3140 Maxim, MAX3140 Datasheet - Page 6

• Manufacturer Part Number: MAX3140
• Description: SPI/MICROWIRE-Compatible UART with Integrated True Fail-Safe RS-485/RS-422 Transceivers
• Manufacturer: Maxim

SWITCHING CHARACTERISTICS—SRL = V
(V
SPI/MICROWIRE-Compatible UART with Integrated
True Fail-Safe RS-485/RS-422 Transceivers
6
Driver Input to Output
Driver Output Skew
|
Driver Rise or Fall Time
Maximum Data Rate
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
Receiver Input to Output
|
Receiver Skew
Receiver Enable to Output Low
Receiver Enable to Output High
Receiver Disable Time from Low
Receiver Disable Time from
High
Time to Shutdown
Driver Enable from Shutdown to
Output High
Driver Enable from Shutdown to
Output Low
Receiver Enable from Shutdown
to Output High
Receiver Enable from Shutdown
to Output Low
CC
t
t
DPLH
RPLH
_______________________________________________________________________________________
= +5V ±5%, T
- t
- t
PARAMETER
DPHL
RPHL
|
|
Differential
A
= T
MIN
to T
MAX
t
t
t
t
, unless otherwise noted. Typical values are at V
DZH(SHDN)
SYMBOL
DZL(SHDN)
RZH(SHDN)
RZL(SHDN)
t
t
DSKEW
DR,
t
t
t
t
t
t
f
RPLH
SHDN
DPLH
DPHL
t
t
RSKD
t
t
t
t
RPHL
t
t
MAX
DZH
DHZ
DZL
DLZ
RZH
RHZ
RZL
RLZ
t
DF
,
Figures 3 and 5, R
C
Figures 3 and 5, R
C
Figures 3 and 5, R
C
Figures 4 and 6, C
Figures 4 and 6, C
Figures 4 and 6, C
Figures 4 and 6, C
Figures 7 and 9,
rise and fall time of V
Figures 7 and 9,
rise and fall time of V
Figures 2 and 8, C
Figures 2 and 8, C
Figures 2 and 8, C
Figures 2 and 8, C
(Note 5)
Figures 4 and 6, C
Figures 4 and 6, C
Figures 2 and 8, C
Figures 2 and 8, C
L1
L1
L1
= C
= C
= C
L2
L2
L2
= 100pF
= 100pF
= 100pF
CONDITIONS
CC
|
|
V
V
DIFF
DIFF
DIFF
L
L
L
L
L
L
L
L
L
L
L
L
ID
ID
= 100pF, S2 closed
= 100pF, S1 closed
= 15pF, S1 closed
= 15pF, S2 closed
= 100pF, S1 closed
= 100pF, S2 closed
= 100pF, S1 closed
= 100pF, S2 closed
= 15pF, S2 closed
= 15pF, S1 closed
= 100pF, S2 closed
= 100pF, S1 closed
ID
ID
|
|
≥ 2.0V,
≥ 2.0V,
= 54Ω,
= 54Ω,
= 54Ω,
≤ 15ns
≤ 15ns
CC
= +5V and T
MIN
250
250
200
500
50
A
= +25°C.)
TYP
720
720
530
127
200
20
20
20
20
-3
3
±100
MAX
1000
1000
2500
2500
4500
4500
3500
3500
±30
750
100
100
200
600
50
50
50
50
UNITS
kbps
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns